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CE 105: Corrosion Studies Unit

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Corrosion Studies Unit

Corrosion Studies Unit Corrosion Studies Unit Corrosion Studies Unit

Product Details

Technical Description
Corrosion damage to metallic components causes considerable economic and technical damages. The issue of corrosion and corrosion protection therefore plays an important role in technical training.
The CE 105 allows a variety of factors that influence corrosion processes to be investigated in parallel. Eight glass vessels are available to do this. They allow different materials to be compared under different conditions. The required electrolyte solution is added to the vessels. Up to 6 specimens can be attached to the cover of each vessel and these are immersed in the solution. It is possible to connect specimens to an electrical conductor to investigate local elements and the functioning of sacrificial anodes. An adjustable power pack allows an external voltage to be connected. This counters the current flow between precious and base metals in local elements. As result the corrosion rate of the more base metal is reduced.
A diaphragm pump conveys ambient air into the electrolyte solution as required. Flow control valves can be used to individually adjust the gas flow rate for each vessel. It is also possible to feed other gases provided by the laboratory into the electrolyte solution. A pH meter is included to allow the influence of the electrolyte solution on corrosion processes to be investigated and compared.
The well-structured instructional material sets out the basic technological principles and provides a step-by-step guide to the measurements and experiments.

Learning Objectives / Experiments
- Corrosion behaviour of different metallic materials (rust / passivation)
- Formation of local elements
- Influence of pH value of the electrolyte solution
- Influence of salt concentration in the electrolyte solution
- Oxygen corrosion
Corrosion protection
- External voltage
- Sacrificial anodes
- Protective layers

* Principles of corrosion and corrosion protection on metallic materials
* Oxygen corrosion
* Electrochemical corrosion (local elements)
* Corrosion protection with external voltage and sacrificial anodes
[1] Investigation of corrosion and corrosion protection measures
[2] 8 electrolyte vessels with covers and 6 specimen holders each
[3] Adjustable power pack for application of external voltage
[4] Air supply via diaphragm pump
[5] Reversing valve for air or external gas supply
[6] Adjustment of gas flow rate for each vessel using flow control valves
[7] Recording of pH value of electrolyte solutions using manual unit
[8] Pressure range for external gas supply: 0.2...1.0bar

Technical Data
Electrolyte vessels
- capacity: 1000ml
- material: glass
Power pack
- voltage: 0...30VDC
- current: 0…3A
Diaphragm pump: approx. 260L/h
pH meter
- measuring range: 0…14pH
- resolution: 0.01pH
- 6x stainless steel, steel, copper, brass, aluminium each
- 3x glass
- dimensions: 100x15x1mm

Dimensions and Weight
l x w x h : 1250 x 300 x 450 mm
Weight : approx. 55 kg

230V, 50/60Hz, 1 phase; 120V, 60Hz, 1 phase or
120V, CSA, 1 phase

Scope of Delivery
1 corrosion experimentation stand, 1 pH meter, 1 set of specimens,1 manual

Order Details
083.10500  CE 105  Corrosion Studies Unit

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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